Games like Dizzys
Games like Dizzys include Bit Blaster XL, Cuphead, Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil, Exit the Gungeon, and Ikaruga. We matched them by the tags players give Dizzys on Steam (Bullet Hell, Shoot 'Em Up, Shooter, Surreal, and Difficult): closest matches first, and among equally close ones the better-known games.
Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Shooter
Cuphead
Shared: Difficult · Cartoon · Bullet Hell
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Exit the Gungeon
Shared: Bullet Hell · Action · Adventure
Ikaruga
Shared: Bullet Hell · Shoot 'Em Up · Shooter
Revolution Ace
Shared: Shoot 'Em Up · Bullet Hell · Shooter
LUFTRAUSERS
Shared: Bullet Hell · Shoot 'Em Up · Action
Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Shooter
Enter the Gungeon
Shared: Bullet Hell · Difficult · Action
Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Bullet Hell · Action
ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Action
Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Bullet Hell · Shoot 'Em Up · Action
Star Saviors
Shared: Bullet Hell · Shoot 'Em Up · Action
Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Mushihimesama
Shared: Bullet Hell · Shoot 'Em Up · Action
Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Shared: Shoot 'Em Up · Bullet Hell · Shooter
Star of Providence
Shared: Bullet Hell · Shoot 'Em Up · Action
Touhou Kinjoukyou ～ Fossilized Wonders.
Shared: Bullet Hell · Shoot 'Em Up · Shooter
TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Bullet Hell · Shoot 'Em Up · Action
Zombotron
Shared: Action · Shooter · Adventure
Post Void
Shared: Shooter · Difficult · Psychedelic
TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II
Shared: Bullet Hell · Shoot 'Em Up · Difficult
BALL x PIT
Shared: Bullet Hell · Action · Shoot 'Em Up
Jets'n'Guns Gold
Shared: Shoot 'Em Up · Bullet Hell · Action